.layout {
  display: flex;
  align-items: flex-start;
  gap: 20px;
}

.sider {
  width: 400px;
  background-color: rgb(8 30 66 / 4%);
  border-radius: 6px;
  flex-shrink: 0;
}

.main {
  flex-grow: 1;
  min-width: 0;
}
